When an airplane is flying 200 mph at 5000-ft altitude in a standard atmosphere, the air...
When an airplane is flying 200 mph at 5000-ft altitude in a standard atmosphere, the air velocity at a certain point on the wing is 273 mph relative to the airplane. Please provide the gage pressure (units of lb per square feet) at the location on the wing where the wind speed (from the perspective of the wind) is 273 mph. Provide your answer with two significant figures.
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When an airplane is flying 200 mph at 5000-ft altitude in a
standard atmosphere, the air...
An airplane is flying with a constant altitude at a speed of 475 mph in a...
An airplane is flying with a constant altitude at a speed of 475 mph in a direction 25° north of west directly towards its final destination. The airplane then encounters wind blowing at a steady 30 mph in a direction 85° north of east. Yes a. Start by drawing a vector diagram for this situation. Did you draw a diagram? Great! Your diagram might look something like this: Wind New Path Original Path b. If the pilot does not correct...
An airplane weighs 16,000 lbs and is flying at 5000 ft altitude and at an airspeed...
An airplane weighs 16,000 lbs and is flying at 5000 ft altitude and at an airspeed of 200 fps. Find (a) the potential energy, (b) the kinetic energy, and (c) the total energy. Assuming no extra drag on the airplane, if the pilot dove until the airspeed was 400 fps, what would the altitude be?
he 2000-lblb airplane is flying at an altitude of 5000 ftft. Each wing has a span...
he 2000-lblb airplane is flying at an altitude of 5000 ftft. Each wing has a span of 16 ftft and a cord length of 3.5 ftft . Each wing can be classified as a NACA 2409 section. The plane is flying at 225 ft/sft/s. ρa=2.043(10−3)slug/ft3ρa=2.043(10−3)slug/ft3. (Figure 1) Determine the lift coefficient.
A Piper Cherokee is flying at 4000 ft standard altitude at 105 mph. The wing has...
A Piper Cherokee is flying at 4000 ft standard altitude at 105 mph. The wing has a rectangular planform (shape) with a span of 30 ft and a chord of 5.33 ft. Assuming that the turbulent boundary layer grows as on a smooth plate and a completely turbulent boundary layer flow, determine: (a) The boundary layer thickness at the downstream edge of the wing. (b) The total skin friction drag coefficient of the wing. (c) The total skin friction drag...
An airplane is cruising at a density altitude of 38,000 ft at a speed of 500...
An airplane is cruising at a density altitude of 38,000 ft at a speed of 500 mph. The ambient temperature is 517 R. A a point on the wing the local velocity is 14% higher than the freestream velocity. What is the pressure coefficient at this point? If the Cp is equal to the average upper surface Cp, and if the upper surface provides three-quarters of the lift, what is the wing lift coefficient? Note that at this Mach number...
temperature is standard 223k (b) Consider an airplane flying at an altitude of 10,000m. Assume atmospheric...
temperature is standard 223k
(b) Consider an airplane flying at an altitude of 10,000m. Assume atmospheric conditions from the standard atmosphere tables in the text. If the stagnation pressure measured by a pitot tube is po = 0.7929 atm, determine the Mach number of the vehicle. Also determine the air speed of the vehicle.
5. According to ground-based radar, an airplane is flying 15 degrees north of west at a...
5. According to ground-based radar, an airplane is flying 15 degrees north of west at a speed of 100. mph. The weather report states that the wind is blowing in the southeast direction, i.e., 45 degrees south of east, with a speed of 35 mph. What is the airspeed of the plane? In other words, what is the speed of the plane relative to the air? Give your answer to 2 significant figures.
An airplane is flying at a velocity of 61 m/s eastward relative to the air. Due...
An airplane is flying at a velocity of 61 m/s eastward relative to the air. Due to a high-pressure region to the north, the velocity of the air relative to the ground is 15 m/s southward. Find the ground speed of the airplane.
Problem 1 For a certain wing the lift force is 3000 lb when it is moving at 200mph through standa...
Problem 1 For a certain wing the lift force is 3000 lb when it is moving at 200mph through standard see level atmosphere conditions. The centre of pressure is 2.4 ft aft of the leading edge. The span is 36 ft, the average chord is 6 ft. Find the pitching moment coefficient about: a) the leading edge; b) the centre of pressure; c) the trailing edge. Problem 2 If the aircraft of Problem 1 travels, at the same angle of...
opJD,d,p,,).determine the appropriate pi terms The drag on an airplane cruising at 240 mph in air...
opJD,d,p,,).determine the appropriate pi terms The drag on an airplane cruising at 240 mph in air at 1 atm and 300 K is to be determined from tests on a 1:10 scale model in a pressurized wind tunnel. Let the geometry of the prototype be represented by I.The fluid viscosity is u. The prototype drag is D. 4. To have the fluid compressibility between the model and the prototype, what must the velocity of the wind tunnel air be if...
An airplane is flying with a constant altitude at a speed of 475 mph in a direction 25° north of west directly towards its final destination. The airplane then encounters wind blowing at a steady 30 mph in a direction 85° north of east. Yes a. Start by drawing a vector diagram for this situation. Did you draw a diagram? Great! Your diagram might look something like this: Wind New Path Original Path b. If the pilot does not correct...
temperature is standard 223k
(b) Consider an airplane flying at an altitude of 10,000m. Assume atmospheric conditions from the standard atmosphere tables in the text. If the stagnation pressure measured by a pitot tube is po = 0.7929 atm, determine the Mach number of the vehicle. Also determine the air speed of the vehicle.
5. According to ground-based radar, an airplane is flying 15 degrees north of west at a speed of 100. mph. The weather report states that the wind is blowing in the southeast direction, i.e., 45 degrees south of east, with a speed of 35 mph. What is the airspeed of the plane? In other words, what is the speed of the plane relative to the air? Give your answer to 2 significant figures.
Problem 1 For a certain wing the lift force is 3000 lb when it is moving at 200mph through standard see level atmosphere conditions. The centre of pressure is 2.4 ft aft of the leading edge. The span is 36 ft, the average chord is 6 ft. Find the pitching moment coefficient about: a) the leading edge; b) the centre of pressure; c) the trailing edge. Problem 2 If the aircraft of Problem 1 travels, at the same angle of...
opJD,d,p,,).determine the appropriate pi terms The drag on an airplane cruising at 240 mph in air at 1 atm and 300 K is to be determined from tests on a 1:10 scale model in a pressurized wind tunnel. Let the geometry of the prototype be represented by I.The fluid viscosity is u. The prototype drag is D. 4. To have the fluid compressibility between the model and the prototype, what must the velocity of the wind tunnel air be if...
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